Oil pressure Allis C
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=149062
Printed Date: 06 Oct 2025 at 1:23am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Oil pressure Allis C
Posted By: John426
Subject: Oil pressure Allis C
Date Posted: 02 Apr 2018 at 3:00am
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Hi i have a problem of oil pressure with my Allis Chalmers C. When I'm on a steep climb (uphill) or a banked, the oil pressure becomes very low, close to zero. Then returning to flat, the pressure will gradually go back to normal position. The strainer was cleaned about 100 hours ago and the oil filter changed 100 hours ago too. Where could this problem come from?
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Replies:
Posted By: DougS
Date Posted: 02 Apr 2018 at 4:34am
| The pickup tube is placed correctly, I presume? |
Posted By: AaronSEIA
Date Posted: 02 Apr 2018 at 7:00am
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Is the oil level where it should be? AaronSEIA |
Posted By: Larry in NC
Date Posted: 02 Apr 2018 at 8:12am
| That is strange, do you think the gauge could be bad? I assume that the tractor does maintain good oil pressure when idling? |
Posted By: Gerald J.
Date Posted: 02 Apr 2018 at 9:11am
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Shop manual may have a hint. My guess would be low oil level in the crankcase. http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf" rel="nofollow - http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf Gerald J. |
Posted By: Leon n/c AR.
Date Posted: 02 Apr 2018 at 3:32pm
| If the oil shows to top of full mark I would add half quart see if it still goes down add the other half quart and try again. Like Gerald I think the oil level is low or the screen is too high. Leon |
Posted By: John426
Date Posted: 03 Apr 2018 at 12:34pm
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The oil level is O.K . Today i remove the cranckase, and i see that the pcik up tube was not in the coorect position . Too high. Now it is ok. Thanks a lot for your help
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Posted By: Leon n/c AR.
Date Posted: 03 Apr 2018 at 1:44pm
| Glad to hear you found the problem. Super nice looking tractor and mower. Leon |
Posted By: Ted J
Date Posted: 03 Apr 2018 at 9:24pm
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Nice looking!!! Glad you figured it out. They ARE simple. Looks like you have some kind of horn hooked up and what's with those headlights? They look oversize and Yellow bulbs? ------------- "Allis-Express" 19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17 |